Duangpaporn Meunapai. 2009. Psychometric property study of five-factor nonverbal personality questionnaire (FF-NPQ). Faculty of Medicine Siriraj Hospital, Mahidol University;
Duangpaporn Meunapai. (2009) Psychometric property study of five-factor nonverbal personality questionnaire (FF-NPQ) . Mahidol University/Bangkok.
Duangpaporn Meunapai. Psychometric property study of five-factor nonverbal personality questionnaire (FF-NPQ). . Bangkok:Mahidol University, 2009.
Duangpaporn Meunapai. (2009) Psychometric property study of five-factor nonverbal personality questionnaire (FF-NPQ) . Mahidol University/Bangkok.